large filesystem support

[Shah Gaurang B.]

Hi Friends,

How to veiw filesystems is large support or not ? pl. guide me. In fstab no entry is found and also told me how to see what parameters are sets for filesystems?

Thanks in advance

[Patrick Wallek]

You can use fsadm and give the mount point name.

For example, to see if /home supports largefiles:

# fsadm -F vxfs /home
largefiles

It will return 'largefiles' if it does support them, or 'nolargefiles' if it does not.

The above command assumes your filesystems are of the 'vxfs' type.

[James R. Ferguson]

Hi:

One way is:

# mkfs -F vxfs -m /dev/vg00/lvol6

Regards!

...JRF...

[A. Clay Stephenson]

The largefiles or nolargefiles vxfs mount options means absolutely nothing about whether or not largefiles are actually supported by the underlying filesystem.

Run this command (assuming it's a vxfs filesystem):
fsadm -F vxfs /mountpoint

You can do this will the filesystem is mounted and it will report "largefiles" if largesfiles are supported. Man fsadm_vxfs for details.

[Pete Randall]

Actually, you can leave off the -F option and fsadm will use /etc/fstab to determine fs type:

# fsadm /var
fsadm: /etc/default/fs is used for determining the file system type
largefiles

fsadm /stand
fsadm: /etc/default/fs is used for determining the file system type
vxfs fsadm: mountpoint /stand is not a vxfs file system


Pete

[Shah Gaurang B.]

Thank you very much.

[inventsekar_1]

# mkfs -m /dev/vg00/lvol8
mkfs -F vxfs -o ninode=unlimited,bsize=8192,version=5,inosize=256,logsize=2048,largefiles /dev/vg00/lvol8 2621440

with the command "mkfs" the "-m" option will give you the solution.
largefiles- large files enabled in the lvol.
nolargefiles- large files not enabled.

[inventsekar_1]

Hi Gaurang,

u should have assigned the points to great Olympians.